RabbitMQ

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broker Publish-Subscribe multi-protocoles : AMPQ, MQTT, STOMP ... RabbitMQ offre un mecanisme d'extension par des plugins (Erlang, ...)

Installation

Télécharger https://www.rabbitmq.com/download.html et installer

Configuration

Fichier de configuration à mettre dans ./etc/rabbitmq/rabbitmq.config

  [
    {mnesia, [{dump_log_write_threshold, 1000}]},

    {rabbit, [{tcp_listeners, [5673]}]},

    {rabbitmq_amqp1_0, [ {default_user, "guest"}, {protocol_strict_mode, false}]},

{rabbitmq_mqtt,
  [ {allow_anonymous, true},
     {subscription_ttl, 1800000},
      {prefetch, 10},
       {tcp_listeners, [1883]}
  ]}


  ].

   %% Memory-based Flow Control threshold.
   %%
   %% {vm_memory_high_watermark, 0.4},

   %% Fraction of the high watermark limit at which queues start to
   %% page message out to disc in order to free up memory.
   %%
   %% {vm_memory_high_watermark_paging_ratio, 0.5},

   %% Set disk free limit (in bytes). Once free disk space reaches this
   %% lower bound, a disk alarm will be set - see the documentation
   %% listed above for more details.
   %%
   %% {disk_free_limit, 50000000},

   %% Alternatively, we can set a limit relative to total available RAM.
   %%
   %% {disk_free_limit, {mem_relative, 1.0}},


Démarrage

./start.sh

MQTT Test

Tester (avec les CLI Mosquitto#Command_lines)

BROKER=test.mosquitto.org
BROKER=localhost
mosquitto_sub -h $BROKER -d -t test/rabbitmq/temp
BROKER=localhost
mosquitto_pub -h $BROKER -d -t test/rabbitmq/temp -m "20"
mosquitto_pub -h $BROKER -d -t test/rabbitmq/temp -m "25"

AMPQ Test